Question

The value of sin 50° - cos 40º =​

Answer 1

Answer:

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Step-by-step explanation:

sin 50°-cos40°

= sin 50°- sin (90°-40°)     [ (cosΘ = sin (90°-Θ) ] or you can even change the                

                                                         value of  sin  [sinΘ = cos 90°-Θ)]

= sin 50° - sin 50°

=  0